Update index.md (#4886)

beta/src/pages/learn/index.md

@@ -384,7 +384,7 @@ Notice how each button "remembers" its own `count` state and doesn't affect othe
 
 Functions starting with `use` are called *Hooks*. `useState` is a built-in Hook provided by React. You can find other built-in Hooks in the [React API reference](/apis). You can also write your own Hooks by combining the existing ones.
 
-Hooks are more restrictive than regular functions. You can only call Hooks *at the top level* of your components (or other Hooks). If you want to `useState` in a condition or a loop, extract a new component and put it there.
+Hooks are more restrictive than regular functions. You can only call Hooks *at the top level* of your components (or other Hooks). If you want to use `useState` in a condition or a loop, extract a new component and put it there.
 
 ## Sharing data between components {/*sharing-data-between-components*/}